<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    table {
      width: 300px;
      height: 300px;
      border: 1px solid #000;

      /* 边框合并 */
      border-collapse: collapse;
    }

    th, td {
      border: 1px solid #000;
    }
  </style>
</head>

<body>
  <table>
    <caption>
      <h3>学生成绩单</h3>
    </caption>
    <thead>
      <tr>
        <th>姓名</th>
        <th>成绩</th>
        <th>评语</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>小哥哥</td>
        <td rowspan="2">100分</td>
        <td>小哥哥真帅气</td>
      </tr>
      <tr>
        <td>小姐姐</td>
        <!-- <td>100分</td> -->
        <td>小姐姐真漂亮</td>
      </tr>
    </tbody>
    <tfoot>
      <tr>
        <td>总结</td>
        <td colspan="2">郎才女貌</td>
        <!-- <td>郎才女貌</td> -->
      </tr>
    </tfoot>
  </table>
</body>

</html>